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Saving Power Comparing with 40W、60W、100W power, white lamps 8W、12W、21W power cost is about 1/4～1/5. And the heating also save 1/4～1/5, that will dec...

Saving Power Comparing with 40W、60W、100W power, white lamps 8W、12W、21W power cost is about 1/4～1/5. And the heating also save 1/4～1/5, that will dec...

Saving Power Comparing with 25W、35W、45W power, white lamps 5W、7W、9W power cost is about 1/4～1/5. And the heating also save 1/4～1/5, that will decrea...

Saving Power Comparing with 40W、60W、100W power, white lamps 8W、12W、21W power cost is about 1/4～1/5. And the heating also save 1/4～1/5, that will dec...

Saving Power Comparing with 40W、60W、100W power, white lamps 8W、12W、21W power cost is about 1/4～1/5. And the heating also save 1/4～1/5, that will dec...